JP2022524186A - 血圧測定システム及びそれを利用した血圧測定方法 - Google Patents
血圧測定システム及びそれを利用した血圧測定方法 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02108—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02108—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
- A61B5/02116—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics of pulse wave amplitude
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02108—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
- A61B5/02125—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics of pulse wave propagation time
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02141—Details of apparatus construction, e.g. pump units or housings therefor, cuff pressurising systems, arrangements of fluid conduits or circuits
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/0225—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers the pressure being controlled by electric signals, e.g. derived from Korotkoff sounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0535—Impedance plethysmography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6824—Arm or wrist
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0219—Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0233—Special features of optical sensors or probes classified in A61B5/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0247—Pressure sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0261—Strain gauges
Abstract
Description
Claims (16)
- 動脈波を測定するための脈波測定センサ部と、
前記脈波測定センサ部で検出される動脈波から血圧を算出する血圧算出部とを含む血圧測定システムであり、
前記脈波測定センサ部は、1つの動脈波を等圧下で測定し、他の1つの動脈波を変動圧下で測定し、
前記血圧算出部は、変動圧下で測定される第2の動脈波に等圧下で測定される第1の動脈波をマッピングすることでマッピング動脈波を算出し、前記マッピング動脈波を利用して血圧を計算する、血圧測定システム。 - 前記脈波測定センサ部は、
前記第1の動脈波を測定する第1のセンサと、
前記第2の動脈波を測定する第2のセンサとを含むことを特徴とする請求項1に記載の血圧測定システム。 - 前記第2のセンサによって動脈波の測定が行われる部位に圧力を加えるための加圧ユニットをさらに含むことを特徴とする、請求項2に記載の血圧測定システム。
- 前記加圧ユニットは、
被検部を引き締めるための引き締め器と、空気袋に空気を注入するためのエアポンプと、熱膨張部材と、形状記憶合金とのうち何れか1つを含むことを特徴とする、請求項3に記載の血圧測定システム。 - 前記加圧ユニットは、
前記空気袋へ空気を案内する通路と、前記空気袋の空気を排出するエア排出口とのうち少なくとも1つを開閉するためのバルブをさらに含むことを特徴とする、請求項4に記載の血圧測定システム。 - 前記第2のセンサは、前記加圧ユニットが昇圧又は減圧される過程で前記第2の動脈波を測定することを特徴とする、請求項3乃至5のうち何れか一項に記載の血圧測定システム。
- 前記第1のセンサ及び第2のセンサは、圧力センサと、光センサと、血管のインピーダンスを測定するインピーダンスセンサとのうち何れか1つを含むことを特徴とする、請求項2に記載の血圧測定システム。
- 前記圧力センサは、空気圧センサと、フィルム型圧力センサと、ストレインゲージ(Strain Gauge)とのうち何れか1つを含むことを特徴とする、請求項7に記載の血圧測定システム。
- 前記第1のセンサ及び第2のセンサは、互いに異なる位置で同時に前記第1の動脈波及び第2の動脈波をそれぞれ測定することを特徴とする、請求項2に記載の血圧測定システム。
- 前記血圧算出部は、
前記第2の動脈波の測定の際、動脈波の遮断時間を基準に、前記第2の動脈波に第1の動脈波をマッピングすることで前記マッピング動脈波を算出することを特徴とする、請求項1又は9に記載の血圧測定システム。 - 前記血圧算出部は、
前記マッピング動脈波の最高値を最高血圧に決定し、前記マッピング動脈波の最低値を最低血圧に決定することを特徴とする、請求項10に記載の血圧測定システム。 - 動脈波を検出する脈波測定センサ部を有する血圧測定システムによる血圧測定方法であり、
血圧を算出するプロセッサ(processor)が、
変動圧下で測定される第2の動脈波に等圧下で測定される第1の動脈波をマッピングすることでマッピング動脈波を算出し、前記マッピング動脈波を利用して血圧を計算する血圧算出ステップを含む、血圧測定方法。 - 前記脈波測定センサ部が、互いに異なる位置で同時に前記第1の動脈波及び第2の動脈波をそれぞれ測定する動脈波測定ステップをさらに含むことを特徴とする、請求項12に記載の血圧測定方法。
- 前記動脈波測定ステップは、
第2の動脈波が測定される部位の圧力が昇圧又は減圧される過程で前記第2の動脈波を測定することを特徴とする、請求項13に記載の血圧測定方法。 - 前記血圧算出ステップは、
前記第2の動脈波の測定の際、動脈波の遮断時間を基準に、前記第2の動脈波に第1の動脈波をマッピングすることで前記マッピング動脈波を算出することを特徴とする、請求項12に記載の血圧測定方法。 - 前記血圧算出ステップは、
前記マッピング動脈波の最高値を最高血圧に決定し、前記マッピング動脈波の最低値を最低血圧に決定することを特徴とする、請求項15に記載の血圧測定方法。
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KR10-2019-0025830 | 2019-03-06 | ||
PCT/KR2020/002728 WO2020180039A2 (ko) | 2019-03-06 | 2020-02-26 | 혈압 측정 시스템 및 이를 이용한 혈압 측정 방법 |
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2019
- 2019-03-06 KR KR1020190025830A patent/KR102356200B1/ko active IP Right Grant
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2020
- 2020-02-26 JP JP2021552933A patent/JP7281777B2/ja active Active
- 2020-02-26 CN CN202080018915.9A patent/CN113543701A/zh not_active Withdrawn
- 2020-02-26 US US17/436,325 patent/US20220167860A1/en active Pending
- 2020-02-26 WO PCT/KR2020/002728 patent/WO2020180039A2/ko active Application Filing
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JPH04259448A (ja) * | 1991-02-15 | 1992-09-16 | Omron Corp | 電子血圧計 |
JPH06296591A (ja) * | 1993-04-13 | 1994-10-25 | Omron Corp | 電子血圧計 |
JPH07308295A (ja) * | 1994-05-19 | 1995-11-28 | Omron Corp | 血圧測定装置 |
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WO2020180039A2 (ko) | 2020-09-10 |
JP7281777B2 (ja) | 2023-05-26 |
CN113543701A (zh) | 2021-10-22 |
WO2020180039A3 (ko) | 2020-10-29 |
KR102356200B1 (ko) | 2022-01-27 |
KR102356200B9 (ko) | 2024-01-11 |
US20220167860A1 (en) | 2022-06-02 |
KR20200107157A (ko) | 2020-09-16 |
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